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From: Li RongQing <lirongqing@baidu.com>
To: netdev@vger.kernel.org, steffen.klassert@secunet.com
Subject: [PATCH] xfrm: fix gro_cells leak when remove virtual xfrm interfaces
Date: Sun, 30 Sep 2018 15:06:06 +0800	[thread overview]
Message-ID: <1538291166-14645-1-git-send-email-lirongqing@baidu.com> (raw)

The device gro_cells has been initialized, it should be freed,
otherwise it will be leaked

Fixes: f203b76d78092faf2 ("xfrm: Add virtual xfrm interfaces")
Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Signed-off-by: Li RongQing <lirongqing@baidu.com>
---
 net/xfrm/xfrm_interface.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 4b4ef4f662d9..9cc6e72bc802 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -116,6 +116,9 @@ static void xfrmi_unlink(struct xfrmi_net *xfrmn, struct xfrm_if *xi)
 
 static void xfrmi_dev_free(struct net_device *dev)
 {
+	struct xfrm_if *xi = netdev_priv(dev);
+
+	gro_cells_destroy(&xi->gro_cells);
 	free_percpu(dev->tstats);
 }
 
-- 
2.16.2

             reply	other threads:[~2018-09-30 13:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-30  7:06 Li RongQing [this message]
2018-10-03  7:27 ` [PATCH] xfrm: fix gro_cells leak when remove virtual xfrm interfaces Steffen Klassert

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